ZMC408CE Motion Controller Hardware Manual V1.5
Chapter IV Expansion Module
The controller can expand digital IO, analog IO, pulse axis and other resources
through CAN bus (ZIO series expansion modules). For details, please refer to "ZIO
Expansion Card Hardware Manual". Also, through EtherCAT bus (EIO series expansion
cards) expansion of these resources also can be achieved, please refer to each EIO
hardware manual for details.
4.1.
CAN Bus Expansion
Controller + ZIO expansion module, when the eighth bit of the DIP switch of the
expansion module is turned to ON, which indicates that a 120 ohm resistor has been
connected, but needs to connect one 120 ohm resistor externally. When connecting
multiple CAN expansion modules, you only need to dial ON for the eighth digit of the last
expansion module, which means please do not dial bit-8 of other modules.
4.1.1.
CAN Bus Expansion Wiring
The ZIO expansion module is powered by the dual power supply. Except the main
power supply, an additional IO power supply is required to supply independent power for
IO. Both the main power supply and the IO power supply use 24V DC power supply. For
ZAIO, it only needs to connect to the main power supply.
To prevent interference, separate the IO power supply from the main power supply.
Please select the expansion module according to the requirements, and select IO
mapping or axis mapping according to the resources of the expansion module.
Wiring reference of connection between ZIO expansion module and control card and
standard wiring of CAN bus are shown as below:
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